How many kPa are in 2,150 mmHg?
2.83 kPa
287 kPa
1.61 ´ 104 kPa
2.18 ´ 105 kPa

2150 mmHg ( 1 atm / 760 mmHg ) ( 101.325 kPa / 1 atm ) = 286.643 kPa

Therefore, the closest value from the choices is the second one which has the value of 287, this would be answer.

Explanation:

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water at room temperature is flowing through a pipe with pressure taps located 10 ft apart along one section of the pipe, which are connected to a mercury (s=13.6) manometer.